[tools] need to use FOR_BUILD version of some defines
[tools] need to use FOR_BUILD version of some defines

Related to #916

sureshsundriyal/lnav,sureshsundriyal/lnav,sureshsundriyal/lnav,tstack/lnav,tstack/lnav,tstack/lnav,sureshsundriyal/lnav,tstack/lnav